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MM908E624ACDWB/R2 Datasheet

  • MM908E624ACDWB/R2

  • Integrated Triple High-Side Switch with Embedded MCU and LIN...

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  • FREESCALE

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Freescale Semiconductor
Advance Information
Document Number: MM908E624
Rev. 8.0, 3/2007
Integrated Triple High-Side
Switch with Embedded MCU
and LIN Serial Communication
for Relay Drivers
The 908E624 is an integrated single-package solution that
includes a high-performance HC08 microcontroller with a
SMARTMOS
TM
analog control IC. The HC08 includes flash memory,
a timer, enhanced serial communications interface (ESCI), an
analog-to-digital converter (ADC), serial peripheral interface (SPI)
(only internal), and an internal clock generator module. The analog
control die provides three high-side outputs with diagnostic functions,
voltage regulator, watchdog, current sense operational amplifier, and
local interconnect network (LIN) physical layer.
The single-package solution, together with LIN, provides optimal
application performance adjustments and space-saving PCB design.
It is well suited for the control of automotive high-current motors
applications using relays (e.g., window lifts, fans, and sun roofs).
Features
鈥?High-Performance M68HC908EY16 Core
鈥?16 K Bytes of On-Chip Flash Memory, 512 Bytes of RAM
鈥?Internal Clock Generator Module
鈥?Two 16-Bit, 2-Channel Timers
鈥?10-Bit Analog-to-Digital Converter (ADC)
鈥?LIN Physical Layer Interface
鈥?Low Dropout Voltage Regulator
鈥?Three High-Side Outputs
鈥?Two Wake-Up Inputs
鈥?16 Microcontroller I / Os
鈥?Pb-Free Packaging Designated by Suffix Code EW
VBAT
908E624
HIGH-SIDE SWITCH
DWB SUFFIX
EW (Pb-FREE) SUFFIX
98ASA99294D
54-TERMINAL SOICW
ORDERING INFORMATION
Device
MM908E624ACDWB/ R2
*MM908E624ACEW/ R2
*MM908E624AYEW/ R2
Temperature
Range (T
A
)
- 40擄C to 85擄C
- 40擄C to 125擄C
Package
54 SOICW
Notes* Recommended for new designs
908E624
LIN
Interface
VSUP1
+5.0 V
LIN
VREFH
VDDA
EVDD
VCC
VDD
VREFL
VSSA
EVSS
AGND
GND
RXD
PTE1/RXD
RST
RST_A
IRQ
IRQ_A
PTD0/TACH0
PWMIN
Microcontroller
Ports
PTA0-4
PTB1; 3-7
PTC2-4
PTD1/TACH1
OUT
-E
WDCONF
HS2
+E
VSUP2 HS3
L1
L2
HS1
M
To Microcontroller A/D Channel
Figure 1. 908E624 Simplified Application Diagram
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
漏 Freescale Semiconductor, Inc., 2006. All rights reserved.

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